libgcrypt20: CVE-2024-2236

Debian Bug report logs - #1065683
libgcrypt20: CVE-2024-2236

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: libgcrypt20: CVE-2024-2236

Date: Fri, 08 Mar 2024 22:03:35 +0100

Source: libgcrypt20
Version: 1.10.3-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libgcrypt20. Mainly
filling the bug to track the upstream status with respec of
libgcrypt's status against the marvin attack.

CVE-2024-2236[0]:
| A timing-based side-channel flaw was found in libgcrypt's RSA
| implementation. This issue may allow a remote attacker to initiate a
| Bleichenbacher-style attack, which can lead to the decryption of RSA
| ciphertexts.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2024-2236
    https://www.cve.org/CVERecord?id=CVE-2024-2236
[1] https://lists.gnupg.org/pipermail/gcrypt-devel/2024-March/005607.html
[2] https://people.redhat.com/~hkario/marvin/

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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